JAMB UTME - Biology - 1984
Question 2 Rapport
How many nuclei are found in pollen tube during fertilization?
Détails de la réponse
Question 3 Rapport
Which of the following is NOT regarded as a pollutant on land or in the air?
Détails de la réponse
Question 4 Rapport
Which of the following statement is NOT true of enzymes? They
Détails de la réponse
Question 6 Rapport
Which of the following lists of diseases, their causes and transmission is CORRECT?
Détails de la réponse
Question 8 Rapport
Which of the following invertebrates does NOT possess antennae?
Détails de la réponse
Question 9 Rapport
Which of the following is INCORRECT? The prothallus of a fern
Détails de la réponse
Question 10 Rapport
The structure above represents a quill feather. The structure labelled 'M' is the
Détails de la réponse
Question 11 Rapport
Which of the following adaptations is NOT concerned with the flight of birds?
Détails de la réponse
Question 13 Rapport
A mixture of mercurous and mercuric nitrates is added to a food substance. A white precipitates is formed which on gentle heating turns red. The food substance is
Détails de la réponse
Question 14 Rapport
Which of the following is NOT a waste product of plants?
Détails de la réponse
Plants need to excrete excess carbon dioxide and oxygen. Carbon dioxide is a waste product of aerobic respiration in plant cells. Oxygen is a waste product of photosynthesis
Question 15 Rapport
Mosses, liverworts and ferns can be grouped together because they
Détails de la réponse
Question 18 Rapport
Which of the following statements is NOT true of the piliferous layer of root? It
Détails de la réponse
Question 20 Rapport
The parts used by the tapeworm to fasten itself to the host’s intestine are the
Détails de la réponse
Question 23 Rapport
If an animal is very active and has good muscular control, it is likely to have well-developed
Détails de la réponse
Question 24 Rapport
Denitrifying bacteria in nature liberate gaseous nitrogen directly from
Détails de la réponse
Question 26 Rapport
Spirogyra reproduces vegetatively by
Détails de la réponse
Spirogyra reproduce using sexual or asexual reproduction methods. The process of reproduction varies depending on species of spirogyra. In vegetative varieties, reproduction occurs through the process of fragmentation, which involves the transformation of spirogyra through intercalary mitosis to produce new filaments.
Question 27 Rapport
Underground stems which grow horizontally through the soil are
Détails de la réponse
Question 31 Rapport
The removal of a man’s pancreas by surgical operation can affect only the digestion of
Détails de la réponse
Question 33 Rapport
Which of the following cell constituents is NOT common in both plants and animals?
Détails de la réponse
Question 34 Rapport
The mouth parts of the housefly are adapted for
Détails de la réponse
House flies can be easily identified by the four dark, longitudinal stripes on top of the thorax, or middle body region. They vary in length from l/8-l/4 of an inch. Their mouth parts are adapted for sponging up liquids; they cannot bite. These flies can only ingest liquid food. They feed on attractive solid food by regurgitating saliva on it. The saliva liquifies the solid material which is then sponged up with the proboscis. They require water since they are continually salivating and voiding liquids. Fly specks seen on many surfaces visited by house flies are the excreted wastes.
Question 35 Rapport
Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man?
Détails de la réponse
Question 36 Rapport
Fehling's solution will readily change colour from blue to reddish colour when it is
Détails de la réponse
Question 37 Rapport
The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for
Détails de la réponse
Question 40 Rapport
Green plants are important in the ecosystem because they are
Détails de la réponse
Question 41 Rapport
If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows
Détails de la réponse
Question 42 Rapport
The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called
Détails de la réponse
Question 43 Rapport
Which of the following groups of factors is completely abiotic?
Détails de la réponse
Question 44 Rapport
In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results?
Détails de la réponse
Question 47 Rapport
Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air
Détails de la réponse
Question 48 Rapport
Spirogyra and mucor can be grouped together as Thallophyta because
Détails de la réponse
Question 49 Rapport
A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin?
Détails de la réponse
Question 50 Rapport
The axial skeleton of a mammal does not include the bones of the
Détails de la réponse
